Vitax Hydrangea Colourant 250g
Part No. 5HC250
For changing pink hydrangeas to blue
Directions for use:
Hydrangeas growing in the presence of iron or aluminium salts tend to change colour and produce blue flowers.
Varieties naturally pale pink tend to blue best, the darker pink varieties turning to mauve/blue.
Best results are obtained with plants growing in acid soil.
If the soil is alkaline the following proportions should be doubled.
How to use:
Mix Hydrangea Colourant with the soil with the proportion of one part to thirty parts of soil.
During growth / growing season water weekly at a rate of 30g per 5 Litres of water.
Please read instructions carefully before use.
